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• • • : <br /> Table 1 Summary of Groundwater Monitoring Data: Water Elevations and Analyses <br /> ARCO Facility 2133, Stockton, California <br /> i <br /> Top-of-casing Depth-to- Product Water-level Change since Concentrations in L <br /> Well number elevation, feet water, thickness, elevation, last measurement, Total <br /> and date above mean sea level in feet in feet in feet(a) in feet Benzene Toluene Eth (benzene _Xylenes TPH-G MTBE <br /> 1/27/93 1723 -- -1437 329 47 94 75 70 1900 -- <br /> 4/29/93 1543 -- -1257 1 80 110 15 15 29 3400 -- <br /> 8/5/93 17 10 -- -1424 -167 45 <5 12 5 2300 -- <br /> 11/10/93 <br /> 3/21/94 1680 -1394 030 13 8 7 6 1000 -- <br /> 6/27/94 1658 -- -1372 022 94 95 92 76 1200 -- <br /> 9/29/94 <br /> 12/8/94 1720 -- -1434 -062 12 3 8 47 4 600 -- <br /> 3/8/95 1485 -- -1199 235 75 4 17 73 1300 -- <br /> 6/l/95 1321 -- -1035 164 25 26 40 52 1800 -- <br /> 9/11/95 1549 -- -1263 -228 9 <3 22 5 1500 -- <br /> 12/5/95 15 82 -- -1296 -033 3 <4 4 1 660 -- <br /> 3/18/96 1068 -- -782 5 14 56 27 15 13 730 -- <br /> 6/18/96 11 55 -- -869 -087 54 12 11 10 550 10 <br /> 9/25/96 14 10 -- -1 1 24 -255 13 <0 5 23 24 1200 10 <br /> 12/4/96 1350 -- -1064 060 64 <0 5 24 27 680 87 <br /> E-3 229 <br /> 8/26/88 -- -- -- -- -- -- -- -- -- <br /> 11/28/88 -- -- -- -- -- -- -- -- -- <br /> 2/27/89 <br /> 5/30/89 -- -- -- -- __ _. -- -- -- -- <br /> 8/22/89 -- -- -- -- -- -- -- -- -- -- <br /> 12/4/89 -- -- -- -- -- -- -- -- -- -_ <br /> 1/4/90 1734 -- -1505 <br /> 2/l/90 17 10 -- -1481 024 <br /> 2/15/90 1708 -- -1479 002 <br /> 2/22/90 1790 -- -1561 -082 <br /> 3/8190 1682 -- -1453 108 9860 2380 1780 8270 -- <br /> 4/5/90 1726 -- -1497 -044 <br /> 4/19/90 17 15 -- -1486 0 11 -- -- -- -- -- <br /> 5/10/90 1747 -15 18 -032 <br /> 5/24/90 1742 -- -15 13 005 <br /> 6/5/90 1738 -- -1509 004 <br /> 33161TABLES12133DCC6 XiS <br />